A classifying system is presented for interpreting physical symptoms in childhood disorder under three main headings. The first of these is the somatopsychic sequence in which the basic substrate is an organic lesion giving rise secondarily to intellectual and emotional repercussions. The second pattern is the pseudosomatic sequence in which the symptom presentation, though physical, has a basis of purely emotional pathology. The third pattern is the psychosomatic sequence which, it is suggested, should be retained for those specific disorders like asthma, eczema, migraine and spastic colon, which have a pathophysiological substrate activated by emotional factors, so that the resulting disorder has a conjoint aetiology. The principle common to all three syndromes is that symptom formation is dependent first upon the lesion itself (its nature, duration and severity); secondly, upon the child’s attitude to it; and finally, upon the parental attitude to it.